diff --git a/tperimeter.txt b/tperimeter.txt
index a72da89..7da8819 100644
--- a/tperimeter.txt
+++ b/tperimeter.txt
@@ -20,4 +20,9 @@
 
 
 Author & Copyright
-------------------
\ No newline at end of file
+------------------
+
+
+Document Revision Information
+-----------------------------
+$Id: tperimeter.txt,v 1.101 2006/05/01 00:38:02 tundra Exp $